Implemented the command List Packages on View

[evandrocoan]

The view is created as:

Packages list within 146 entries:

  1: <A File Icon>
     Sublime file-specific icons for improved visual grepping
     [v3.2.1; github.com/ihodev/a-file-icon]

  2: <Add Folder To Project>
     Repository for the AddFolderToProject Sublime Plugin
     [v1.1.1; github.com/DavidGerva/AddFolderToProject-SublimePlugin]

  3: <Advanced CSV>
     No description provided
     [unknown version]

  4: <AdvancedNewFile>
     File creation plugin for Sublime Text 2 and Sublime Text 3.
     [v1.7.0; github.com/skuroda/Sublime-AdvancedNewFile]

  5: <Alignment>
     Easy alignment of multiple selections and multi-line selections
     [v2.1.0; wbond.net/sublime_packages/alignment]

  6: <AlignTab>
     An alignment plugin using regular expression
     [v2.1.6; github.com/randy3k/AlignTab]
...